so very | e.g. 咁鬼大 so very big; 咁鬼嘈 so (expletive) noisy. | Sometimes also as 鬼咁. | Mand. similar: 那麼, 這麼 | "鬼" here is a mild expletive, like "damn" or "bloody", so in polite company, "咁" will do, instead of "咁鬼" .

so very…; so damn…; so bloody…[colloquial]